Debris Flow — Honolulu, Hawaii

2023-12-20 to 2023-12-21 · near Maunawili, Honolulu, Hawaii

Event narrative

Heavy rainfall over the Koolau Mountain Range led to a landslide on the Pali Highway. Honolulu Police Department reported the closure of the town-bound lanes of the Pali Highway due to a landslide.

Wider weather episode

Abundant low level moisture and atmospheric instability led to periods of heavy rainfall with flooding over portions of the islands.

View location on OpenStreetMap → (21.3664, -157.7963)

Source: NOAA Storm Events Database, event_id 1147660. Narrative written by the NWS forecast office that issued the report.